Home / 10,504.15-15,756.53-3,487.21

Finding the Fourth Proportional to 10,504.15, 15,756.53 and 3,487.21

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Solution

The fourth proportional to 10,504.15, 15,756.53 and 3,487.21 is: 5,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.15 : 15,756.53 = 3,487.21 : x
  2. Step 2: Convert to fraction form
    10,504.15/15,756.53 = 3,487.21/x
  3. Step 3: Cross multiply
    10,504.15x = 15,756.53 × 3,487.21
  4. Step 4: Simplify right side
    10,504.15x = 54,946,272.15
  5. Step 5: Solve for x
    x = 54,946,272.15/10,504.15
  6. Step 6: Final answer
    x = 5,230.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.